Emergence of the cortical encoding of phonetic features in the

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Abstract

Even before producing their first words, infants develop sophisticated speech processing. This study uses temporal response functions from electrophysiological responses to nursery rhymes to investigate cortical phonetic feature encoding in infants aged 4, 7, and 11 months, and adults. Results show increasingly detailed and acoustically invariant phonetic encoding across the first year, providing neurophysiological evidence of pre-verbal phonetic category learning. Cortical tracking of the acoustic spectrogram showed no age-related increase.

Publisher

Nature Communications

Published On

Dec 01, 2023

Authors

Giovanni M. Di Liberto, Adam Attaheri, Giorgia Cantisani, Richard B. Reilly, Áine Ní Choisdealbha, Sinead Rocha, Perrine Brusini, Usha Goswami

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